In a Database, Columns That Are Keys of a Different

question 75

Multiple Choice

In a database, columns that are keys of a different table than the one in which they reside are known as ________ keys.

• A) foreign
• B) alternate
• C) relational
• D) candidate

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Definitions:

Top Fifth

Often refers to the top 20% segment of a distribution, commonly used in the context of income or wealth distribution.

Bottom Fifth

A term referring to the lowest 20% of a population or group in terms of income, wealth, or other socioeconomic measures.

Highest Quintile

Refers to the top 20 percent of a population or group, often measured in terms of income or wealth, indicating those with the highest earnings or assets.

Total Income

The sum of all earnings received by an individual or entity, usually within a specific time frame, including wages, investments, and other sources of revenue.